Home / 128,560,778,962.37-192,713,790,111.06-60,369,772,587.95

Finding the Fourth Proportional to 128,560,778,962.37, 192,713,790,111.06 and 60,369,772,587.95

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Solution

The fourth proportional to 128,560,778,962.37, 192,713,790,111.06 and 60,369,772,587.95 is: 90,494,844,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,560,778,962.37 : 192,713,790,111.06 = 60,369,772,587.95 : x
  2. Step 2: Convert to fraction form
    128,560,778,962.37/192,713,790,111.06 = 60,369,772,587.95/x
  3. Step 3: Cross multiply
    128,560,778,962.37x = 192,713,790,111.06 × 60,369,772,587.95
  4. Step 4: Simplify right side
    128,560,778,962.37x = 11,634,087,683,565,656,473,600
  5. Step 5: Solve for x
    x = 11,634,087,683,565,656,473,600/128,560,778,962.37
  6. Step 6: Final answer
    x = 90,494,844,364.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.